Added jq requirement to examples readme (#106)

* Added jq requirement to readme

Author: waterskier2007

Examples/LambdaFunctions/README.md

@@ -4,6 +4,8 @@ This sample project is a collection of Lambda functions that demonstrates
 how to write a simple Lambda function in Swift, and how to package and deploy it
 to the AWS Lambda platform.
 
+Note: The example scripts assume you have [jq](https://stedolan.github.io/jq/download/) command line tool installed.
+
 ## Deployment instructions using AWS CLI
 
 Steps to deploy this sample to AWS Lambda using the AWS CLI: